auto link <code>Keyword</code> to three docs

threejs/lessons/resources/lesson.js

@@ -16,6 +16,264 @@ function getQueryParams() {
 }
 
 $(document).ready(function($){
+
+  const codeKeywordLinks = {
+    AnimationAction: 'https://threejs.org/docs/api/animation/AnimationAction.html',
+    AnimationClip: 'https://threejs.org/docs/api/animation/AnimationClip.html',
+    AnimationMixer: 'https://threejs.org/docs/api/animation/AnimationMixer.html',
+    AnimationObjectGroup: 'https://threejs.org/docs/api/animation/AnimationObjectGroup.html',
+    AnimationUtils: 'https://threejs.org/docs/api/animation/AnimationUtils.html',
+    KeyframeTrack: 'https://threejs.org/docs/api/animation/KeyframeTrack.html',
+    PropertyBinding: 'https://threejs.org/docs/api/animation/PropertyBinding.html',
+    PropertyMixer: 'https://threejs.org/docs/api/animation/PropertyMixer.html',
+    BooleanKeyframeTrack: 'https://threejs.org/docs/api/animation/tracks/BooleanKeyframeTrack.html',
+    ColorKeyframeTrack: 'https://threejs.org/docs/api/animation/tracks/ColorKeyframeTrack.html',
+    NumberKeyframeTrack: 'https://threejs.org/docs/api/animation/tracks/NumberKeyframeTrack.html',
+    QuaternionKeyframeTrack: 'https://threejs.org/docs/api/animation/tracks/QuaternionKeyframeTrack.html',
+    StringKeyframeTrack: 'https://threejs.org/docs/api/animation/tracks/StringKeyframeTrack.html',
+    VectorKeyframeTrack: 'https://threejs.org/docs/api/animation/tracks/VectorKeyframeTrack.html',
+    Audio: 'https://threejs.org/docs/api/audio/Audio.html',
+    AudioAnalyser: 'https://threejs.org/docs/api/audio/AudioAnalyser.html',
+    AudioContext: 'https://threejs.org/docs/api/audio/AudioContext.html',
+    AudioListener: 'https://threejs.org/docs/api/audio/AudioListener.html',
+    PositionalAudio: 'https://threejs.org/docs/api/audio/PositionalAudio.html',
+    ArrayCamera: 'https://threejs.org/docs/api/cameras/ArrayCamera.html',
+    Camera: 'https://threejs.org/docs/api/cameras/Camera.html',
+    CubeCamera: 'https://threejs.org/docs/api/cameras/CubeCamera.html',
+    OrthographicCamera: 'https://threejs.org/docs/api/cameras/OrthographicCamera.html',
+    PerspectiveCamera: 'https://threejs.org/docs/api/cameras/PerspectiveCamera.html',
+    StereoCamera: 'https://threejs.org/docs/api/cameras/StereoCamera.html',
+    Animation: 'https://threejs.org/docs/api/constants/Animation.html',
+    Core: 'https://threejs.org/docs/api/constants/Core.html',
+    CustomBlendingEquation: 'https://threejs.org/docs/api/constants/CustomBlendingEquations.html',
+    DrawModes: 'https://threejs.org/docs/api/constants/DrawModes.html',
+    Materials: 'https://threejs.org/docs/api/constants/Materials.html',
+    Renderer: 'https://threejs.org/docs/api/constants/Renderer.html',
+    Textures: 'https://threejs.org/docs/api/constants/Textures.html',
+    BufferAttribute: 'https://threejs.org/docs/api/core/BufferAttribute.html',
+    BufferGeometry: 'https://threejs.org/docs/api/core/BufferGeometry.html',
+    Clock: 'https://threejs.org/docs/api/core/Clock.html',
+    DirectGeometry: 'https://threejs.org/docs/api/core/DirectGeometry.html',
+    EventDispatcher: 'https://threejs.org/docs/api/core/EventDispatcher.html',
+    Face3: 'https://threejs.org/docs/api/core/Face3.html',
+    Geometry: 'https://threejs.org/docs/api/core/Geometry.html',
+    InstancedBufferAttribute: 'https://threejs.org/docs/api/core/InstancedBufferAttribute.html',
+    InstancedBufferGeometry: 'https://threejs.org/docs/api/core/InstancedBufferGeometry.html',
+    InstancedInterleavedBuffer: 'https://threejs.org/docs/api/core/InstancedInterleavedBuffer.html',
+    InterleavedBuffer: 'https://threejs.org/docs/api/core/InterleavedBuffer.html',
+    InterleavedBufferAttribute: 'https://threejs.org/docs/api/core/InterleavedBufferAttribute.html',
+    Layers: 'https://threejs.org/docs/api/core/Layers.html',
+    Object3D: 'https://threejs.org/docs/api/core/Object3D.html',
+    Raycaster: 'https://threejs.org/docs/api/core/Raycaster.html',
+    Uniform: 'https://threejs.org/docs/api/core/Uniform.html',
+    BufferAttributeTypes: 'https://threejs.org/docs/api/core/bufferAttributeTypes/BufferAttributeTypes.html',
+    Earcut: 'https://threejs.org/docs/api/extras/Earcut.html',
+    ShapeUtils: 'https://threejs.org/docs/api/extras/ShapeUtils.html',
+    Curve: 'https://threejs.org/docs/api/extras/core/Curve.html',
+    CurvePath: 'https://threejs.org/docs/api/extras/core/CurvePath.html',
+    Font: 'https://threejs.org/docs/api/extras/core/Font.html',
+    Interpolations: 'https://threejs.org/docs/api/extras/core/Interpolations.html',
+    Path: 'https://threejs.org/docs/api/extras/core/Path.html',
+    Shape: 'https://threejs.org/docs/api/extras/core/Shape.html',
+    ShapePath: 'https://threejs.org/docs/api/extras/core/ShapePath.html',
+    ArcCurve: 'https://threejs.org/docs/api/extras/curves/ArcCurve.html',
+    CatmullRomCurve3: 'https://threejs.org/docs/api/extras/curves/CatmullRomCurve3.html',
+    CubicBezierCurve: 'https://threejs.org/docs/api/extras/curves/CubicBezierCurve.html',
+    CubicBezierCurve3: 'https://threejs.org/docs/api/extras/curves/CubicBezierCurve3.html',
+    EllipseCurve: 'https://threejs.org/docs/api/extras/curves/EllipseCurve.html',
+    LineCurve: 'https://threejs.org/docs/api/extras/curves/LineCurve.html',
+    LineCurve3: 'https://threejs.org/docs/api/extras/curves/LineCurve3.html',
+    QuadraticBezierCurve: 'https://threejs.org/docs/api/extras/curves/QuadraticBezierCurve.html',
+    QuadraticBezierCurve3: 'https://threejs.org/docs/api/extras/curves/QuadraticBezierCurve3.html',
+    SplineCurve: 'https://threejs.org/docs/api/extras/curves/SplineCurve.html',
+    ImmediateRenderObject: 'https://threejs.org/docs/api/extras/objects/ImmediateRenderObject.html',
+    BoxBufferGeometry: 'https://threejs.org/docs/api/geometries/BoxBufferGeometry.html',
+    BoxGeometry: 'https://threejs.org/docs/api/geometries/BoxGeometry.html',
+    CircleBufferGeometry: 'https://threejs.org/docs/api/geometries/CircleBufferGeometry.html',
+    CircleGeometry: 'https://threejs.org/docs/api/geometries/CircleGeometry.html',
+    ConeBufferGeometry: 'https://threejs.org/docs/api/geometries/ConeBufferGeometry.html',
+    ConeGeometry: 'https://threejs.org/docs/api/geometries/ConeGeometry.html',
+    CylinderBufferGeometry: 'https://threejs.org/docs/api/geometries/CylinderBufferGeometry.html',
+    CylinderGeometry: 'https://threejs.org/docs/api/geometries/CylinderGeometry.html',
+    DodecahedronBufferGeometry: 'https://threejs.org/docs/api/geometries/DodecahedronBufferGeometry.html',
+    DodecahedronGeometry: 'https://threejs.org/docs/api/geometries/DodecahedronGeometry.html',
+    EdgesGeometry: 'https://threejs.org/docs/api/geometries/EdgesGeometry.html',
+    ExtrudeBufferGeometry: 'https://threejs.org/docs/api/geometries/ExtrudeBufferGeometry.html',
+    ExtrudeGeometry: 'https://threejs.org/docs/api/geometries/ExtrudeGeometry.html',
+    IcosahedronBufferGeometry: 'https://threejs.org/docs/api/geometries/IcosahedronBufferGeometry.html',
+    IcosahedronGeometry: 'https://threejs.org/docs/api/geometries/IcosahedronGeometry.html',
+    LatheBufferGeometry: 'https://threejs.org/docs/api/geometries/LatheBufferGeometry.html',
+    LatheGeometry: 'https://threejs.org/docs/api/geometries/LatheGeometry.html',
+    OctahedronBufferGeometry: 'https://threejs.org/docs/api/geometries/OctahedronBufferGeometry.html',
+    OctahedronGeometry: 'https://threejs.org/docs/api/geometries/OctahedronGeometry.html',
+    ParametricBufferGeometry: 'https://threejs.org/docs/api/geometries/ParametricBufferGeometry.html',
+    ParametricGeometry: 'https://threejs.org/docs/api/geometries/ParametricGeometry.html',
+    PlaneBufferGeometry: 'https://threejs.org/docs/api/geometries/PlaneBufferGeometry.html',
+    PlaneGeometry: 'https://threejs.org/docs/api/geometries/PlaneGeometry.html',
+    PolyhedronBufferGeometry: 'https://threejs.org/docs/api/geometries/PolyhedronBufferGeometry.html',
+    PolyhedronGeometry: 'https://threejs.org/docs/api/geometries/PolyhedronGeometry.html',
+    RingBufferGeometry: 'https://threejs.org/docs/api/geometries/RingBufferGeometry.html',
+    RingGeometry: 'https://threejs.org/docs/api/geometries/RingGeometry.html',
+    ShapeBufferGeometry: 'https://threejs.org/docs/api/geometries/ShapeBufferGeometry.html',
+    ShapeGeometry: 'https://threejs.org/docs/api/geometries/ShapeGeometry.html',
+    SphereBufferGeometry: 'https://threejs.org/docs/api/geometries/SphereBufferGeometry.html',
+    SphereGeometry: 'https://threejs.org/docs/api/geometries/SphereGeometry.html',
+    TetrahedronBufferGeometry: 'https://threejs.org/docs/api/geometries/TetrahedronBufferGeometry.html',
+    TetrahedronGeometry: 'https://threejs.org/docs/api/geometries/TetrahedronGeometry.html',
+    TextBufferGeometry: 'https://threejs.org/docs/api/geometries/TextBufferGeometry.html',
+    TextGeometry: 'https://threejs.org/docs/api/geometries/TextGeometry.html',
+    TorusBufferGeometry: 'https://threejs.org/docs/api/geometries/TorusBufferGeometry.html',
+    TorusGeometry: 'https://threejs.org/docs/api/geometries/TorusGeometry.html',
+    TorusKnotBufferGeometry: 'https://threejs.org/docs/api/geometries/TorusKnotBufferGeometry.html',
+    TorusKnotGeometry: 'https://threejs.org/docs/api/geometries/TorusKnotGeometry.html',
+    TubeBufferGeometry: 'https://threejs.org/docs/api/geometries/TubeBufferGeometry.html',
+    TubeGeometry: 'https://threejs.org/docs/api/geometries/TubeGeometry.html',
+    WireframeGeometry: 'https://threejs.org/docs/api/geometries/WireframeGeometry.html',
+    ArrowHelper: 'https://threejs.org/docs/api/helpers/ArrowHelper.html',
+    AxesHelper: 'https://threejs.org/docs/api/helpers/AxesHelper.html',
+    BoxHelper: 'https://threejs.org/docs/api/helpers/BoxHelper.html',
+    Box3Helper: 'https://threejs.org/docs/api/helpers/Box3Helper.html',
+    CameraHelper: 'https://threejs.org/docs/api/helpers/CameraHelper.html',
+    DirectionalLightHelper: 'https://threejs.org/docs/api/helpers/DirectionalLightHelper.html',
+    FaceNormalsHelper: 'https://threejs.org/docs/api/helpers/FaceNormalsHelper.html',
+    GridHelper: 'https://threejs.org/docs/api/helpers/GridHelper.html',
+    PolarGridHelper: 'https://threejs.org/docs/api/helpers/PolarGridHelper.html',
+    HemisphereLightHelper: 'https://threejs.org/docs/api/helpers/HemisphereLightHelper.html',
+    PlaneHelper: 'https://threejs.org/docs/api/helpers/PlaneHelper.html',
+    PointLightHelper: 'https://threejs.org/docs/api/helpers/PointLightHelper.html',
+    RectAreaLightHelper: 'https://threejs.org/docs/api/helpers/RectAreaLightHelper.html',
+    SkeletonHelper: 'https://threejs.org/docs/api/helpers/SkeletonHelper.html',
+    SpotLightHelper: 'https://threejs.org/docs/api/helpers/SpotLightHelper.html',
+    VertexNormalsHelper: 'https://threejs.org/docs/api/helpers/VertexNormalsHelper.html',
+    AmbientLight: 'https://threejs.org/docs/api/lights/AmbientLight.html',
+    DirectionalLight: 'https://threejs.org/docs/api/lights/DirectionalLight.html',
+    HemisphereLight: 'https://threejs.org/docs/api/lights/HemisphereLight.html',
+    Light: 'https://threejs.org/docs/api/lights/Light.html',
+    PointLight: 'https://threejs.org/docs/api/lights/PointLight.html',
+    RectAreaLight: 'https://threejs.org/docs/api/lights/RectAreaLight.html',
+    SpotLight: 'https://threejs.org/docs/api/lights/SpotLight.html',
+    DirectionalLightShadow: 'https://threejs.org/docs/api/lights/shadows/DirectionalLightShadow.html',
+    LightShadow: 'https://threejs.org/docs/api/lights/shadows/LightShadow.html',
+    SpotLightShadow: 'https://threejs.org/docs/api/lights/shadows/SpotLightShadow.html',
+    AnimationLoader: 'https://threejs.org/docs/api/loaders/AnimationLoader.html',
+    AudioLoader: 'https://threejs.org/docs/api/loaders/AudioLoader.html',
+    BufferGeometryLoader: 'https://threejs.org/docs/api/loaders/BufferGeometryLoader.html',
+    Cache: 'https://threejs.org/docs/api/loaders/Cache.html',
+    CompressedTextureLoader: 'https://threejs.org/docs/api/loaders/CompressedTextureLoader.html',
+    CubeTextureLoader: 'https://threejs.org/docs/api/loaders/CubeTextureLoader.html',
+    DataTextureLoader: 'https://threejs.org/docs/api/loaders/DataTextureLoader.html',
+    FileLoader: 'https://threejs.org/docs/api/loaders/FileLoader.html',
+    FontLoader: 'https://threejs.org/docs/api/loaders/FontLoader.html',
+    ImageBitmapLoader: 'https://threejs.org/docs/api/loaders/ImageBitmapLoader.html',
+    ImageLoader: 'https://threejs.org/docs/api/loaders/ImageLoader.html',
+    JSONLoader: 'https://threejs.org/docs/api/loaders/JSONLoader.html',
+    Loader: 'https://threejs.org/docs/api/loaders/Loader.html',
+    LoaderUtils: 'https://threejs.org/docs/api/loaders/LoaderUtils.html',
+    MaterialLoader: 'https://threejs.org/docs/api/loaders/MaterialLoader.html',
+    ObjectLoader: 'https://threejs.org/docs/api/loaders/ObjectLoader.html',
+    TextureLoader: 'https://threejs.org/docs/api/loaders/TextureLoader.html',
+    DefaultLoadingManager: 'https://threejs.org/docs/api/loaders/managers/DefaultLoadingManager.html',
+    LoadingManager: 'https://threejs.org/docs/api/loaders/managers/LoadingManager.html',
+    LineBasicMaterial: 'https://threejs.org/docs/api/materials/LineBasicMaterial.html',
+    LineDashedMaterial: 'https://threejs.org/docs/api/materials/LineDashedMaterial.html',
+    Material: 'https://threejs.org/docs/api/materials/Material.html',
+    MeshBasicMaterial: 'https://threejs.org/docs/api/materials/MeshBasicMaterial.html',
+    MeshDepthMaterial: 'https://threejs.org/docs/api/materials/MeshDepthMaterial.html',
+    MeshLambertMaterial: 'https://threejs.org/docs/api/materials/MeshLambertMaterial.html',
+    MeshNormalMaterial: 'https://threejs.org/docs/api/materials/MeshNormalMaterial.html',
+    MeshPhongMaterial: 'https://threejs.org/docs/api/materials/MeshPhongMaterial.html',
+    MeshPhysicalMaterial: 'https://threejs.org/docs/api/materials/MeshPhysicalMaterial.html',
+    MeshStandardMaterial: 'https://threejs.org/docs/api/materials/MeshStandardMaterial.html',
+    MeshToonMaterial: 'https://threejs.org/docs/api/materials/MeshToonMaterial.html',
+    PointsMaterial: 'https://threejs.org/docs/api/materials/PointsMaterial.html',
+    RawShaderMaterial: 'https://threejs.org/docs/api/materials/RawShaderMaterial.html',
+    ShaderMaterial: 'https://threejs.org/docs/api/materials/ShaderMaterial.html',
+    ShadowMaterial: 'https://threejs.org/docs/api/materials/ShadowMaterial.html',
+    SpriteMaterial: 'https://threejs.org/docs/api/materials/SpriteMaterial.html',
+    Box2: 'https://threejs.org/docs/api/math/Box2.html',
+    Box3: 'https://threejs.org/docs/api/math/Box3.html',
+    Color: 'https://threejs.org/docs/api/math/Color.html',
+    Cylindrical: 'https://threejs.org/docs/api/math/Cylindrical.html',
+    Euler: 'https://threejs.org/docs/api/math/Euler.html',
+    Frustum: 'https://threejs.org/docs/api/math/Frustum.html',
+    Interpolant: 'https://threejs.org/docs/api/math/Interpolant.html',
+    Line3: 'https://threejs.org/docs/api/math/Line3.html',
+    Math: 'https://threejs.org/docs/api/math/Math.html',
+    Matrix3: 'https://threejs.org/docs/api/math/Matrix3.html',
+    Matrix4: 'https://threejs.org/docs/api/math/Matrix4.html',
+    Plane: 'https://threejs.org/docs/api/math/Plane.html',
+    Quaternion: 'https://threejs.org/docs/api/math/Quaternion.html',
+    Ray: 'https://threejs.org/docs/api/math/Ray.html',
+    Sphere: 'https://threejs.org/docs/api/math/Sphere.html',
+    Spherical: 'https://threejs.org/docs/api/math/Spherical.html',
+    Triangle: 'https://threejs.org/docs/api/math/Triangle.html',
+    Vector2: 'https://threejs.org/docs/api/math/Vector2.html',
+    Vector3: 'https://threejs.org/docs/api/math/Vector3.html',
+    Vector4: 'https://threejs.org/docs/api/math/Vector4.html',
+    CubicInterpolant: 'https://threejs.org/docs/api/math/interpolants/CubicInterpolant.html',
+    DiscreteInterpolant: 'https://threejs.org/docs/api/math/interpolants/DiscreteInterpolant.html',
+    LinearInterpolant: 'https://threejs.org/docs/api/math/interpolants/LinearInterpolant.html',
+    QuaternionLinearInterpolant: 'https://threejs.org/docs/api/math/interpolants/QuaternionLinearInterpolant.html',
+    Bone: 'https://threejs.org/docs/api/objects/Bone.html',
+    Group: 'https://threejs.org/docs/api/objects/Group.html',
+    Line: 'https://threejs.org/docs/api/objects/Line.html',
+    LineLoop: 'https://threejs.org/docs/api/objects/LineLoop.html',
+    LineSegments: 'https://threejs.org/docs/api/objects/LineSegments.html',
+    LOD: 'https://threejs.org/docs/api/objects/LOD.html',
+    Mesh: 'https://threejs.org/docs/api/objects/Mesh.html',
+    Points: 'https://threejs.org/docs/api/objects/Points.html',
+    Skeleton: 'https://threejs.org/docs/api/objects/Skeleton.html',
+    SkinnedMesh: 'https://threejs.org/docs/api/objects/SkinnedMesh.html',
+    Sprite: 'https://threejs.org/docs/api/objects/Sprite.html',
+    WebGLRenderer: 'https://threejs.org/docs/api/renderers/WebGLRenderer.html',
+    WebGLRenderTarget: 'https://threejs.org/docs/api/renderers/WebGLRenderTarget.html',
+    WebGLRenderTargetCube: 'https://threejs.org/docs/api/renderers/WebGLRenderTargetCube.html',
+    ShaderChunk: 'https://threejs.org/docs/api/renderers/shaders/ShaderChunk.html',
+    ShaderLib: 'https://threejs.org/docs/api/renderers/shaders/ShaderLib.html',
+    UniformsLib: 'https://threejs.org/docs/api/renderers/shaders/UniformsLib.html',
+    UniformsUtils: 'https://threejs.org/docs/api/renderers/shaders/UniformsUtils.html',
+    Fog: 'https://threejs.org/docs/api/scenes/Fog.html',
+    FogExp2: 'https://threejs.org/docs/api/scenes/FogExp2.html',
+    Scene: 'https://threejs.org/docs/api/scenes/Scene.html',
+    CanvasTexture: 'https://threejs.org/docs/api/textures/CanvasTexture.html',
+    CompressedTexture: 'https://threejs.org/docs/api/textures/CompressedTexture.html',
+    CubeTexture: 'https://threejs.org/docs/api/textures/CubeTexture.html',
+    DataTexture: 'https://threejs.org/docs/api/textures/DataTexture.html',
+    DepthTexture: 'https://threejs.org/docs/api/textures/DepthTexture.html',
+    Texture: 'https://threejs.org/docs/api/textures/Texture.html',
+    VideoTexture: 'https://threejs.org/docs/api/textures/VideoTexture.html',
+    CCDIKSolver: 'https://threejs.org/docs/examples/animations/CCDIKSolver.html',
+    MMDAnimationHelper: 'https://threejs.org/docs/examples/animations/MMDAnimationHelper.html',
+    MMDPhysics: 'https://threejs.org/docs/examples/animations/MMDPhysics.html',
+    OrbitControls: 'https://threejs.org/docs/examples/controls/OrbitControls.html',
+    ConvexBufferGeometry: 'https://threejs.org/docs/examples/geometries/ConvexBufferGeometry.html',
+    ConvexGeometry: 'https://threejs.org/docs/examples/geometries/ConvexGeometry.html',
+    DecalGeometry: 'https://threejs.org/docs/examples/geometries/DecalGeometry.html',
+    BabylonLoader: 'https://threejs.org/docs/examples/loaders/BabylonLoader.html',
+    GLTFLoader: 'https://threejs.org/docs/examples/loaders/GLTFLoader.html',
+    MMDLoader: 'https://threejs.org/docs/examples/loaders/MMDLoader.html',
+    MTLLoader: 'https://threejs.org/docs/examples/loaders/MTLLoader.html',
+    OBJLoader: 'https://threejs.org/docs/examples/loaders/OBJLoader.html',
+    OBJLoader2: 'https://threejs.org/docs/examples/loaders/OBJLoader2.html',
+    LoaderSupport: 'https://threejs.org/docs/examples/loaders/LoaderSupport.html',
+    PCDLoader: 'https://threejs.org/docs/examples/loaders/PCDLoader.html',
+    PDBLoader: 'https://threejs.org/docs/examples/loaders/PDBLoader.html',
+    SVGLoader: 'https://threejs.org/docs/examples/loaders/SVGLoader.html',
+    TGALoader: 'https://threejs.org/docs/examples/loaders/TGALoader.html',
+    PRWMLoader: 'https://threejs.org/docs/examples/loaders/PRWMLoader.html',
+    Lensflare: 'https://threejs.org/docs/examples/objects/Lensflare.html',
+    GLTFExporter: 'https://threejs.org/docs/examples/exporters/GLTFExporter.html',
+  };
+
+  $('code').filter(function() {
+    return codeKeywordLinks[this.textContent] &&
+           this.parentElement.nodeName !== 'A';
+  }).wrap(function() {
+    const a = document.createElement('a');
+    a.href = codeKeywordLinks[this.textContent];
+    return a;
+  });
+
   var linkImgs = function(bigHref) {
     return function() {
       var a = document.createElement('a');

threejs/lessons/threejs-primitives.md

@@ -59,8 +59,8 @@ data they take what is often considered more complex
 programming to manipulate.
 
 `Geometry` based primitives are the more flexible, easier to manipulate
-type. They are built from JavaScript based classes like [`Vector3`](https://threejs.org/docs/api/math/Vector3.html) for
-3D points, [`Face3`](https://threejs.org/docs/index.html#api/core/Face3) for triangles.
+type. They are built from JavaScript based classes like `Vector3` for
+3D points, `Face3` for triangles.
 They take quite a bit of memory and before they can be rendered three.js will need to
 convert them to something similar to the corresponding `BufferGeometry` representation.